Ugreen Bluetooth 50 Usb Adapter Cm390 Driver Install [ 95% High-Quality ]

To install the UGREEN Bluetooth 5.0 USB Adapter (CM390)

Table of Contents

  1. What is the UGREEN CM390?
  2. Does the CM390 Need a Driver? (The Truth)
  3. Method 1: Automatic Windows Update Installation
  4. Method 2: Manual Driver Install (Realtek Chipset)
  5. Method 3: The "Generic Bluetooth Radio" Fix
  6. Method 4: Using the Official UGREEN USB Driver Tool
  7. Troubleshooting: Code 43, Code 10, and Hidden Devices
  8. Windows 11 vs. Windows 10 vs. Linux
  9. How to Verify Bluetooth 5.0 is Active
  10. Final Checklist & Pro Tips

Step 1: Determine Your OS (Crucial Step)

The installation method differs slightly between Windows 10 and Windows 11. ugreen bluetooth 50 usb adapter cm390 driver install

"Code 10" or "Device cannot start"

  • Fix: Go to Device Manager > View > Show hidden devices. Uninstall every greyed-out Bluetooth device. Then unplug the CM390, reboot, and plug it back in.

Linux Driver Installation

Method 1: Let Windows do it (Recommended)

Before downloading anything, try this:

Download the driver package specifically for Windows (usually supports Windows 7, 8.1, 10, and 11). 2. Pre-Installation Steps To install the UGREEN Bluetooth 5

Problem 2: Bluetooth Toggle is Missing in Windows Action Center

Cause: The Bluetooth Support Service is disabled. What is the UGREEN CM390

Disable Built-in Bluetooth: If your laptop or desktop already has an internal Bluetooth chip, you must disable it first. Go to Device Manager > Bluetooth, right-click the internal adapter (e.g., Intel Wireless Bluetooth), and select Disable device.